X-Message-Number: 26904
Date: Tue, 30 Aug 2005 09:16:21 -0400
From: Daniel Crevier <>
Subject: Sequential and parallel processors
References: <>

I believe the discussion between Yvan Bozzonetti and Thomas Donaldson would
be clarified if they took into account the notion of cycle time. A parallel
computer cannot react faster than the cycle time of its processors. Call
this cycle time tau. If there are N processors, then it should be possible
to simulate them in real time with a single processor having a shorter cycle
time. The cycle time of this single processor simply has to be short enough
that it can figure out, in time  tau/N, what one of the parallel processors
will do in time tau.

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